Apparently it is Chinese internet slang meaning: "If you can do it, then you go and do it. If you can’t do it, then don’t criticise others." via: http://www.c

Apparently it is Chinese internet slang meaning: "If you can do it, then you go and do it. If you can’t do it, then don’t criticise others." via: http://www.chinesetimeschool.com/zh-cn/articles/chinese-internet-slang-u-can-u-up/ http://www.chinesetimeschool.com/zh-cn/articles/chinese-inte...